Roller Chain Sprocket; 40-2 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 3.136" Outside Diameter; 2.879" Pitch Diameter; B-Hub One Side; Bushed Mount; 1210 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

2-7/16" Bore; 3-1/2" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 4.7" Outside Diameter; 1-7/8" Length Thru Bore; 0.47" Between Shaft Ends; 60 Chain; 18 Teeth; 1-7/8" Width; 6018; Keyway

Roller Chain Sprocket; 100 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 7.839" Outside Diameter; 7.199" Pitch Diameter; A-Double Single; Bushed Mount; 3020 Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

4-9/16" Hub Diameter; Chain Coupling; Hub; Shaft; Minimum Plain Bore; 1-1/8 To 3-1/8 Bore Range; 6.24" Outside Diameter; 2-3/8" Length Thru Bore; 0.59" Between Shaft Ends; 80 Chain; 18 Teeth; 2-3/8" Width; 8018; No Keyway

7/8" Bore; 2-31/32" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 3.946" Outside Diameter; 1-11/16" Length Thru Bore; 3/8" Between Shaft Ends; 50 Chain; 18 Teeth; 1-11/16" Width; 5018; Keyway